With the analysis among 62 patents, we discovered top 21 key players by total patent application. Russian Railways OJSC, VIA Rail Canada, Inc., China Railway Jianzhu Group Co., Ltd. are dominant in this area. They take 46.77% of the total patent filing.
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Patent: 22
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 3
Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Chengdu Yunda Technology Co., Ltd.
Sichuan Sheng, China
Patent: 2
State Grid Corp. of China
Beijing Shi, China
Patent: 1
TianJin 712 Communication & Broadcasting Co., Ltd.
Tianjin Shi, China
Patent: 1
Beijing Jinhong Xi-Dian Information Technology Co., Ltd.
Beijing Shi, China
Patent: 1
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With the analysis among related 20 patents applied in the last 5 years. We discover 19 most active companies in this area. The fast-growing Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd., BYD Co., Ltd., Beijing Jiaotong University take 35.00% of patent filing during this period.
Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Beijing Jiaotong University
Beijing Shi, China
Patent: 2
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 2
China Railway Jianzhu Group Co., Ltd.
Beijing Shi, China
Patent: 2
Tianjin 712 Mobile Communication Co., Ltd.
Tianjin Shi, China
Patent: 1
Quan Zhou Shi Tie Tong Dian Zi She Bei You Xian Gong Si
Fujian Sheng, China
Patent: 1
Shenzhen Communication Technology Corp.,Ltd.
Guangdong Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Beijing Hua-Tie Information Technology Development Co.
Beijing Shi, China
Patent: 1
With the analysis among related 20 patents in last 5 years, we discover 17 new entrants. Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd., BYD Co., Ltd., Beijing Jiaotong University are the most active new entrants in this area.
Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd.
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Beijing Jiaotong University
Beijing Shi, China
Patent: 2
Tianjin 712 Mobile Communication Co., Ltd.
Tianjin Shi, China
Patent: 1
Quan Zhou Shi Tie Tong Dian Zi She Bei You Xian Gong Si
Fujian Sheng, China
Patent: 1
Shenzhen Communication Technology Corp.,Ltd.
Guangdong Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Beijing Hua-Tie Information Technology Development Co.
Beijing Shi, China
Patent: 1
Beijing Jinhong Xi-Dian Information Technology Co., Ltd.
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among 18 patents, we discovered top 7 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Beijing Jiaotong University, Central South University are dominant in this area. They take 50.00% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 3
Beijing Jiaotong University
Beijing Shi, China
Patent: 2
Hunan Sheng, China
Patent: 1
Fujian Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Zhejiang Normal University
Zhejiang Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1